/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/BaseTools/BaseMeshProcessingTool.h
Optional weight map support Weight map will only be enabled if base class registers a weight map property set
template<class PropSetType> PropSetType * AddWeightMapPropertySet ( [TUniqueFunction](API\Runtime\Core\Templates\TUniqueFunction)< bool()> VisibilityFunc )